div.tomby
{
background-color:#abcdef;
margin:10px; 
padding:10px;
border:5px solid blue;
}

div.andrew
{
background-color:#abffef;
margin:10px; 
padding:10px;
border:5px solid green;
}

div.zh
{
background-color:#ffcdef;
margin:10px; 
padding:10px;
border:5px solid red;
}

div.jiri
{
background-color:#fedcba;
margin:10px; 
padding:10px;
border:5px solid yellow;
}